The first incident occurred at approximately 10:05 p.m. in the area of Appleton Street. A female in her 20s said she was walking alone to her car when she was struck in the head from behind by an unknown object and her cellphone was taken by what is believed to be a single male suspect.

The second incident occurred at approximately 10:45 p.m. in the area of Kirkland and Holden streets. Two females in their 20s said they were approached by a black male suspect and knocked to the ground. One of the female’s cellphones was then stolen.

Cambridge Police are actively investigating these incidents and ask anyone with information to call Cambridge Police at 617-349-3368. Those who wish to submit tips anonymously via phone, email, and text message, should visitwww.CambridgePolice.org/Tips.